3. Question Details P Q R Tutorial SCalc6 13.1.006. [818679] Use your knowledge of this chapter to answer the following questions. (a) What does x = 4 represent in 2 ? a line a plane a point nothing (b) What does x = 4 represent in 3 ? nothing a plane a point a line (c) What does the equation y = 1 represent in 3 ? a line a plane a point nothing ssignment Previewer .. of 13 5/24/2010 2:25 PM